@@ -92,6 +92,7 @@ show_help(){

   echo "  --disable-ipv6           disable IPv6 support [no]"

   echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"

   echo "  --enable-gray            enable full grayscale support (slower color)"

+  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"

   echo "  --disable-fastdiv        disable table-based division"

   echo "  --enable-small           optimize for size instead of speed"

   echo "  --disable-aandct         disable AAN DCT code"

@@ -802,6 +803,7 @@ CONFIG_LIST="

     shared

     small

     static

+    swscale_alpha

     x11grab

     zlib

 "

@@ -1178,6 +1180,7 @@ enable optimizations

 enable protocols

 enable static

 enable stripping

+enable swscale_alpha

 # build settings

 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112